Different-architecture network node sharing method based on signal repackaging

Abstract

The invention belongs to the field of electric vehicles, and particularly discloses a different-architecture network node sharing method based on signal repackaging, which comprises the following steps of: repackaging control signals required by each node of a vehicle type A, so that receiving and transmitting signals of each node of the vehicle type A and receiving and transmitting signals of each node of a vehicle type B can be mutually switched; wherein the vehicle model A and the vehicle model B belong to two vehicle models of a V platform, the vehicle model A is not provided with a vehicle control unit (VCU) and adopts a single-path CAN network topology framework, and the vehicle model B is provided with the vehicle control unit (VCU) and adopts a double-path CAN network topology framework. The method is not influenced by the informatization degree of an original entrusting production main engine plant and the supplier development capability, and in addition, corresponding training does not need to be carried out on production workshop personnel; the technical difficulty of product development can be greatly reduced, the period of product development is shortened, and the development and maintenance cost of related network nodes is saved.

Description

technical field [0001] The invention belongs to the technical field of electric vehicles, in particular to a method for sharing network nodes of different architectures based on signal repackaging. Background technique [0002] Both model A and model B belong to the "V platform". The main functions of the VCU of model B include but are not limited to: driving mode management, high voltage power on and off management, electric drive management, energy recovery management and high voltage safety management. The vehicle control function of model A is performed by MCU and BMS: MCU is responsible for driving mode management, electric drive management and energy recovery management, and BMS is responsible for high voltage power on and off management and high voltage safety management. Due to differences in node functions and network topology, the control signal receiving nodes and message IDs of the relevant nodes of vehicle model A and model B are inconsistent, as shown in the fo...

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Problems solved by technology

[0007] This typical technical solution requires the support of the original entrusted production information platform and the supplier's software architecture platform. Due to the company's information conditions and the supplier's development strength, the above two models did not adopt the typical EOL at the beginning of development. The configuration scheme makes OBC, DCDC, ABS, PEPS, EPB, EPS, HVAC and other nodes unable to be interchanged between the above two models

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